199859210

素因数分解:

$2^1\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{10099}}^1$

素因数の和:12085

約数の個数: 16

約数和(自身を含む): 359964000

約数和(自身を除く): 160104790

約数列:

[1, 2, 5, 10, 1979, 3958, 9895, 10099, 19790, 20198, 50495, 100990, 19985921, 39971842, 99929605, 199859210]

約数ペア:

[(1, 199859210), (2, 99929605), (5, 39971842), (10, 19985921), (1979, 100990), (3958, 50495), (9895, 20198), (10099, 19790)]